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If the sunglasses feel dizzy, it may be caused by the tightness of the temple plate, the pressure caused by the discomfort of the nose pads, or the unequal sphericity and prismatic parameters of the lens itself.

Regarding the colorful phenomenon of the lens, in principle, it has nothing to do with dizziness, but it may cause poor visual effects. The reason for the colorfulness may be the problem the process of the problem of the degree of liquid when the lens is injected. Sunglasses with more than 8 bends also have degrees, which may also cause dizziness.

Supplement: The angle of the nose pads are mostly adjustable, and dizziness is most likely because the sunglasses are unqualified, and you should stop wearing them.

The following four types of unqualified sunglasses should never be worn:

1. Sunglasses with anti-ultraviolet functions that do not live up to their name. Good sunglasses lenses can block more than 99% of ultraviolet rays, and lenses marked with UV400 can block 100% (99.99%) of ultraviolet rays. Wearing sunglasses with poor UV protection will make your eyes look like you are looking at objects in a dark room. At this time, the pupils will become larger, and the residual UV rays will be injected into the eyes in large quantities, causing damage to the eyes.

2. Sunglasses with unqualified transmittance. After wearing this kind of sunglasses, there will be obstacles to traffic signal recognition, which can easily cause traffic accidents. All sunglasses, including professional driving goggles, sports goggles, fishing goggles... excluding myopia and reading glasses) An easy identification method is to place the sunglasses in front of your eyes and observe distant objects such as window frames or door frames through the lenses Wait, and then move the glasses up and down, back and forth, the target should not have swung and wavy deformation.

3. Sunglasses without category identification. Sunglasses are generally divided into 3 categories, namely sunshade mirrors for sunshade, light-colored mirrors for decoration, and special mirrors for preventing snow blindness or waterproof plane radiation. If there is no product category identification, consumers cannot correctly identify the use of sunglasses when purchasing, which will affect the use effect.

4. Sunglasses whose resistance performance does not meet the requirements. The lens is easily broken when it is impacted by an external force, and the fragments will cause fatal damage to the human eyes. The material of the frame is also very important, generally, there are plates, aluminum-magnesium alloys, and pure titanium. Different requirements have different requirements for the sun. There are polarized sports mirrors, polarized driving mirrors, polarized fishing mirrors, etc. that are specially used for sports. When purchasing, you can ask about the professional use of sunglasses.